<!DOCTYPE html>
<html>

<head>
	<meta charset="UTF-8" />
	<title>4_类方法中的this指向</title>
</head>

<body>
	<script type="text/javascript">
		class Person {
			constructor(name, age) {
				this.name = name
				this.age = age
				this.msg = "你好"
			}
			sex = "女"
			study() {
				//study方法放在了哪里？——类的原型对象上，供实例使用
				//通过Person实例调用study时，study中的this就是Person实例
				console.log(this);
			}
		}

		const p1 = new Person('tom', 18)
		p1.study() //通过实例调用study方法

		const x = p1.study
		x()
	</script>
</body>

</html>